@techreport{TillmannKobbelt2023a,
	author = {A.M. Tillmann and L. Kobbelt},
	title = {Structured Discrete Shape Approximation: Theoretical Complexity and Practical Algorithm},
	institution = {Visual Computing Institute \& Chair of Operations Research, RWTH Aachen University},
	year = {2019},
	type = {Preprint},
	number = {arXiv:1909.09217 [cs.CG]},
	month = {Sep},
	note = {https://arxiv.org/abs/1909.09217}
}